Soooo, I'm thinking there is a small chance I'm pregnant but idk. I had intercourse 2 days before I had my appendix…

Soooo, I'm thinking there is a small chance I'm pregnant but idk. I had intercourse 2 days before I had my appendix removed, on my ovulation day. So I would be to early for them to tell I was pregnant even with a blood test. I've had blood drawn 4 times since then but none where to see if I was pregnant it was all to check my cell count and stuff. It has now been 11 days since my ovulation and the intercourse and I've been spotting for 4 or 5 days now. It's too soon for it to be my period. I'm so confused. I want another baby but at the same time I don't and I'm hoping I'm pregnant but I'm worried this feeling I got is me just wishing and hoping. My body has been on the fritz but that's probably from surgery. Please help?! Would it be a waste of time to go up to the docs to get a blood test specially to test for pregnancy?!